4-(3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl)-2-(3,4-dimethylphenyl)phthalazin-1(2H)-one CAS 478045-68-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478045-68-0 |
| Molecular Formula | C24H17ClN4O2 |
| Molecular Weight | 428.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4-(3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl)-2-(3,4-dimethylphenyl)phthalazin-1(2H)-one (CAS 478045-68-0) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C24H17ClN4O2. Molecular weight: 428.87 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C24H17ClN4O2 |
| Molecular Weight | 428.87 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chlorophenyl Standards
- 4-(3-(2-Chlorophenyl)-1,2,4-oxadiazol-5-yl)-2-(3,4-dimethylphenyl)phthalazin-1(2H)-one (CAS 478045-66-8)
- 4-[3-(3-Chlorophenyl)-1,2,4-oxadiazol-5-yl]-2-(3,4-dimethylphenyl)-1,2-dihydrophthalazin-1-one (CAS 478045-69-1)
- N-(4-(4-chlorophenyl)thiazol-2-yl)-2-((3-(trifluoromethyl)phenyl)thio)acetamide (CAS 338957-63-4)
- 3-{1-[2-(4-chlorophenyl)acetyl]piperidin-4-yl}-4-[(4-fluorophenyl)methyl]-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775426-69-1)
- {4-[(4-chlorophenyl)sulfanyl]-3-nitrophenyl}methyl N-(3-methylphenyl)carbamate (CAS 320424-15-5)
- 3-((4-Chlorophenyl)(4-hydroxy-3-methoxybenzyl)amino)benzo[d]isothiazole 1,1-dioxide (CAS 591242-71-6)
- 8-Benzyl-4-[2-(4-chlorophenyl)acetyl]-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1326808-90-5)
- (E)-2-((4-chlorophenyl)thio)-N'-(4-((4-fluorobenzyl)oxy)benzylidene)acetohydrazide (CAS 331461-73-5)
Recommended Standards
- Cefdinir Impurity 87 (CAS 137054-46-7)
- Methyl 2-(2-chloro-6-ethoxy-4-((3-methyl-5-oxo-1-phenyl-1H-pyrazol-4(5H)-ylidene)methyl)phenoxy)acetate (CAS 431979-47-4)
- N-{4-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]piperazine-1-carbothioyl}benzamide (CAS 260442-21-5)
- Eriochrome cyanine R indicator (C.I. 43820) (CAS 3564-18-9)
- (8S,9S,16S)Beraprost Isomer (CAS 94132-88-4)
- 3-[Ethyl[(1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctyl)sulfonyl]amino] Propyl Phosphonic Acid (CAS 71463-78-0)
- DBCO-PEG4-Maleimide (CAS 1480516-75-3)
- 5-Methoxypyrimidine-2-carbohydrazide (CAS 87362-26-3)
- 3-Cyclopropoxy-N2,N2,N4,N4-tetramethylpyridine-2,4-dicarboxamide (CAS 1243381-95-4)
- Semaglutide Impurity 121 X Sodium Salt (CAS CATO-C4X-2226121)
Why CATO?
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